*,
*:before,
*:after {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

body,
html {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.header {
  width: 100%;
  height: 30px;
  padding: 0 10px;
  border-left: 10px solid #a3be8c;
  font-size: 12px;
  line-height: 30px;
  color: #eff1f5;
  background: #343d46;
  overflow: hidden;
}

#iframe {
  position: absolute;
  top: 30px;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: -webkit-calc(100% - 30px);
  height: -moz-calc(100% - 30px);
  height: -ms-calc(100% - 30px);
  height: -o-calc(100% - 30px);
  height: calc(100% - 30px);
  border: 0;
}

#errors {
  width: 100%;
  margin: 0;
  padding: 10px;
  font-family: monospace;
  font-size: 14px;
  line-height: 1.4;
  color: #eff1f5;
  background: #bf616a;
  overflow: auto;
}

#okness {
  font-weight: bold;
}
